Demonceau, A.; Noels, A. F.; Anciaux, A. J., Bulletin des Societes Chimiques Belges, 1984, vol. 93, # 11, p. 949 - 952
作者:Demonceau, A.、Noels, A. F.、Anciaux, A. J.、Hubert, A. J.、Teyssie, P.
DOI:——
日期:——
New catalytic system Cu(OAc)2—2,4-lutidine—ZnCl2 for olefin cyclopropanation with methyl diazoacetate
作者:V. F. Gareev、R. M. Sultanova、R. Z. Biglova、V. A. Dokichev、Yu. V. Tomilov
DOI:10.1007/s11172-008-0238-x
日期:2008.8
A new efficient catalytic system consisting of Cu(OAc)2, 2,4-lutidine, and ZnCl2 was found for the cyclopropanation of unsaturated compounds with methyl diazoacetate. In the case of conjugated dienes, the process occurs regioselectively at the most alkylated C=C bond.